From: cd@notformail.com   
      
   On Wed, 31 Dec 2025 18:21:56 -0800, john larkin    
   wrote:   
      
   >On Wed, 31 Dec 2025 09:31:47 +0000, liz@poppyrecords.invalid.invalid   
   >(Liz Tuddenham) wrote:   
   >   
   >>Joe Gwinn  wrote:   
   >>   
   >>> On 29 Dec 2025 21:10:03 GMT, liz@poppyrecords.invalid.invalid (Liz   
   >>> Tuddenham) wrote:   
   >>[...]   
   >>   
   >>> >Critically, drying it is going to be the biggest problem.  Slow draining   
   >>> >will allow debris-laden water to capillary into the groove bottoms and   
   >>> >concentrate any muck.   
   >>>   
   >>> I'd rinse it off with straight alcohol, maybe then spin dry it.   
   >>   
   >>It depends how many discs you wanted to treat.  You could finish up   
   >>wasting a lot of alcohol and generating an explosion risk.   
   >>   
   >>   
   >>> >   Ideally it should be dried by strong suction to   
   >>> >get the water out as quickly and thoroughly as possible.  (The Keith   
   >>> >Monks machine did it this way)   
   >>>   
   >>> Or blow it off using filtered clean dry compressed air.  Maybe while   
   >>> the disk is spinning.   
   >>   
   >>That might work better than the vacuum system but both have the   
   >>potential to create static charges on the disc surface which will   
   >>attract dust and make it noisy again.   
   >   
   >I suppose that if you had two or more ratty records and wanted to make   
   >a good digital copy, you could play them all and do some clever   
   >processing.   
      
   The rattiest parts tend to be towards the 'end' of the disk, though;   
   they're not typically randomly distributed throughout the recording.   
      
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